Proton Mail on Nostr: npub1ezl3n…v22vy If you have an existing free account for Proton already, you can ...

npub1ezl3n6eaezsf7c29epwvewqvwk5yhkehmamvk5cjf6ga5x9tsp6suv22vy (npub1ezl…22vy) If you have an existing free account for Proton already, you can upgrade that one with the discount offer (if it wasn't on a paid plan before), or otherwise, if you're creating a new account, you'd need to enter an external (non-Proton Mail) email address to create the account, since the sign up flow will indeed not allow you to put an existing Proton Mail address in the email field on the sign-up screen.